Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 3 21.  Predictions up to the next  30.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 03/24/2018   15:10:41   (  22.59, 159.83) 03/24/2018   15:10:46    (  23.16, 157.27)  269.20              5
 04/01/2018   16:00:06   (  22.61, 147.48) 04/01/2018   16:01:32    (  23.24, 144.60)  303.18             86
 04/09/2018   15:10:38   (  22.61, 159.85) 04/09/2018   15:10:51    (  23.19, 157.26)  272.42             13
 04/17/2018   16:00:01   (  22.61, 147.50) 04/17/2018   16:01:36    (  23.29, 144.59)  307.08             95